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19Heatilator • RAVE4013I-C • 2293-900 Rev. C • 8/12
C. Clearances
NOTICE: Install appliance on hard metal or wood surfaces
extending full width and depth. DO NOT install directly
on carpeting, vinyl, tile or any combustible material other
than wood.
WARNING! Risk of Fire! Maintain specifi ed air space
clearances to appliance and vent pipe:
• Insulation and other materials must be secured to prevent
accidental contact.
• The chase must be properly blocked to prevent blown
insulation or other combustibles from entering and
making contact with fi replace or chimney.
• Failure to maintain airspace may cause overheating and
a fi re.
C
B
D
A
Figure 5.2. Clearances to Combustibles
MINIMUM FRAMING DIMENSIONS*
ABCDE F GHIJ
Rough
Opening
(Vent Pipe)
Rough
Opening
(Height)
Rough
Opening
(Depth)
Rough
Opening
(Width)
Clearance
to Ceiling
Combustible
Floor
Combustible
Flooring
Behind
Appliance
Sides of
Appliance
Front of
Appliance
Inches
8-5/8 42 1/4 18-1/4 50 31 0 0 1 1 36
Millimeters
219 1073 464 1270 787 0 0 25 25 914
H
E
MEASURE FROM TOP
OF FIREPLACE OPENING
I
F
J
G
Note: Figure 5.2 shows the fi replace installed on the
fl oor. However, this fi replace can be elevated off the fl oor
provided that the fi replace is properly supported by framing
materials and the ceiling clearances are maintained.
* Adjust framing dimensions for interior sheathing (such as sheetrock)